Numeracy
20th June 1989
- 1Probability (Foundation)2 marks
A bag holds 5 red, 8 blue and 2 green counters. One is taken at random. Work out the probability it is blue.
- 2Pie Charts2 marks
A pie chart shows 18 people. 3 of them chose science. Work out the angle of that sector.
- 3Error Intervals2 marks
A length x is 68 cm, rounded to the nearest whole number. Write down the error interval for x.
- 4Function Machines2 marks
A function machine multiplies by 5 then adds 2. What comes out when 14 goes in?
- 5Scale Drawings2 marks
A model of an aircraft is built to a scale of 1 : 50. The real length is 4.5 m. How long is the model, in cm?
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